Messages in this thread Patch in this message | | | From | Suman Anna <> | Subject | [PATCHv5 RFC 13/15] hwspinlock/omap: use OF helper to get reserved locks | Date | Wed, 30 Apr 2014 19:34:34 -0500 |
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Retrieve the number of reserved locks for OMAP by using the of_hwspin_lock_get_num_reserved_locks() OF helper function provided by the hwspinlock core. The range sanity check will be performed by the hwspinlock core during the registration.
Signed-off-by: Suman Anna <s-anna@ti.com> --- drivers/hwspinlock/omap_hwspinlock.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/hwspinlock/omap_hwspinlock.c b/drivers/hwspinlock/omap_hwspinlock.c index 1d0c78e..0dad783 100644 --- a/drivers/hwspinlock/omap_hwspinlock.c +++ b/drivers/hwspinlock/omap_hwspinlock.c @@ -143,6 +143,12 @@ static int omap_hwspinlock_probe(struct platform_device *pdev) for (i = 0, hwlock = &bank->lock[0]; i < num_locks; i++, hwlock++) hwlock->priv = io_base + LOCK_BASE_OFFSET + sizeof(u32) * i; + reserved_locks = of_hwspin_lock_get_num_reserved_locks(node); + if (reserved_locks < 0) { + ret = -EINVAL; + goto iounmap_base; + } + ret = hwspin_lock_register(bank, &pdev->dev, &omap_hwspinlock_ops, base_id, num_locks, reserved_locks); if (ret) -- 1.9.2
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